Expired Canadian patentCanada
High temperature nickel-base alloys
CA 1099537 A · Owner: Huntington Alloys, Inc. · Inventors: Lingenfelter, Allen C.; Eiselstein, Herbert L.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Nickel-base alloy intended in future for high temperature gas cooled reactors, the alloy being of 22-28% Cr, 3-9% W plus Ti and other constituents the alloy, if, used for HTGR, being substantially free of Co.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 8, 1978
GrantedApril 21, 1981
Term endedApril 21, 1998
Patent numberCA 1099537 A
Classification (IPC)C22C19/05
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.